Kepler-223
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Cygnus |
| Right ascension | 19h 53m 16.4202s |
| Declination | +47° 16′ 46.308″ |
| Apparent magnitude (V) | 15.3 |
| Characteristics | |
| Evolutionary stage | subgiant |
| Spectral type | G8 |
| Apparent magnitude (g) | 15.903 |
| Apparent magnitude (r) | 15.301 |
| Apparent magnitude (i) | 15.105 |
| Apparent magnitude (z) | 14.963 |
| Apparent magnitude (D51) | 15.667 |
| Apparent magnitude (J) | 14.095 |
| Apparent magnitude (H) | 13.727 |
| Apparent magnitude (K) | 13.632 |
| J−K color index | 0.463 |
| Astrometry | |
| Proper motion (μ) | RA: −4.227(25) mas/yr Dec.: −11.094(24) mas/yr |
| Parallax (π) | 0.5005±0.0215 mas |
| Distance | 6,500 ± 300 ly (2,000 ± 90 pc) |
| Details | |
| Mass | 1.04 M☉ |
| Radius | 1.52 R☉ |
| Surface gravity (log g) | 4.09 cgs |
| Temperature | 5,803 K |
| Metallicity [Fe/H] | −0.211 dex |
| Rotation | 17.82 days |
| Rotational velocity (v sin i) | 2.4 km/s |
| Age | 3.7 Gyr |
| Other designations | |
| KOI-730, KIC 10227020, 2MASS J195316.40+471646.1 | |
| Database references | |
| SIMBAD | data |
| KIC | data |
Kepler-223 (KOI-730, KIC 10227020) is a G8 star with an extrasolar planetary system discovered by the Kepler mission. Studies indicate that the Kepler-223 star system consists of 4 planets orbiting the star.